Links
The following links/websites are ones that we have found useful in development websits and understanding new standards. We've also added links throughout this website to resources that are relevant to specific articles.
HTML
- The Web Robots Pages
- W3C Markup Validation Service
- WDG HTML Validator
- World Wide Web Consortium (W3C)
CSS
- A Complete Guide to Flexbox
- A List Apart
- CSS3.info
- CSS Sprite Generator
- css Zen Garden: The Beauty in CSS Design
- Image to data-URI converter
- MDN - CSS: Cascading Style Sheets
- Meyerweb
- W3C: Cascading Style Sheets
- W3C CSS Validation Service
- When can I use... Support tables for HTML5, CSS3, etc
Web Fonts
Colours
Screenshots
JavaScript
PHP
SQL
- MySQL: The world's most popular open source database
- PostgreSQL: The world's most advanced open source database
Microdata
System
- Apache HTTP Server Version 1.3 Documentation
- Apache HTTP Server Version 2.0 Documentation
- Assigned Port Numbers
- crontab guru
- Debian GNU/Linux
- DNSstuff: DNS tools
- Fail2Ban
- ImageMagick: Convert, Edit, and Compose Images
- IntoDNS: DNS and mail servers report
- SSL Server Test
- The Webalizer
- DKIM Generator
- DMARC Deployment Tools
- DMARC validator
- Email Spammyness Test
- Smart Network Data Services - Outlook.com
- SPF Policy Tester
- Validate SPF Record
- wiseTools: Authentication
Optimization
- GTmetrix: Website Speed and Performance Optimization
- mod_pagespeed Apache module
- Resource Expert Droid (REDbot)
Useful Links
- Down for everyone or just me?
- Google Keyword Tool
- JSONLint: The JSON Validator
- Lynx Viewer: text-only browser
- Netcraft Uptime Survey
- Rex Swain's HTTP Viewer
- Unicode Character Search